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Artifacts in the electroencephalogram (EEG) degrade signal quality and impact the analysis of brain activity. Current methods for detecting artifacts in sleep EEG rely on simple threshold-based algorithms that require manual intervention,…

信号处理 · 电气工程与系统科学 2025-04-25 Khrystyna Semkiv , Jia Zhang , Maria Laura Ferster , Walter Karlen

This manuscript describes and implementation of scripts of code aimed at reducing the influence of artifacts, specifically focused on ocular artifacts, in the measurement and processing of electroencephalogram (EEG) signals. This process is…

信号处理 · 电气工程与系统科学 2024-11-22 Mario Molina-Molina , Lorenzo J. Tardon , Ana M. Barbancho , Isabel Barbancho

Artifacts on magnetic resonance scans are a serious challenge for both radiologists and computer-aided diagnosis systems. Most commonly, artifacts are caused by motion of the patients, but can also arise from device-specific abnormalities…

图像与视频处理 · 电气工程与系统科学 2022-10-18 Lennart Alexander Van der Goten , Kevin Smith

Accurate quantification of metabolites in magnetic resonance spectroscopy (MRS) is challenged by low signal-to-noise ratio (SNR), overlapping metabolites, and various artifacts. Particularly, unknown and unparameterized baseline effects…

信号处理 · 电气工程与系统科学 2024-10-15 Julian P. Merkofer , Dennis M. J. van de Sande , Sina Amirrajab , Kyung Min Nam , Ruud J. G. van Sloun , Alex A. Bhogal

Neural network generalizability is becoming a broad research field due to the increasing availability of datasets from different sources and for various tasks. This issue is even wider when processing medical data, where a lack of…

图像与视频处理 · 电气工程与系统科学 2025-05-22 Luigi Sigillo , Eleonora Grassucci , Aurelio Uncini , Danilo Comminiello

Quantum hardware suffers from high error rates and noise, which makes directly running applications on them ineffective. Quantum Error Correction (QEC) is a critical technique towards fault tolerance which encodes the quantum information…

量子物理 · 物理学 2024-04-24 Hanrui Wang , Pengyu Liu , Yilian Liu , Jiaqi Gu , Jonathan Baker , Frederic T. Chong , Song Han

Electroencephalogram (EEG) recordings are often contaminated with artifacts. Various methods have been developed to eliminate or weaken the influence of artifacts. However, most of them rely on prior experience for analysis. Here, we…

机器学习 · 计算机科学 2022-02-22 Junjie Yu , Chenyi Li , Kexin Lou , Chen Wei , Quanying Liu

This note is devoted to an analysis of the so-called peeling algorithm in wavelet denoising. Assuming that the wavelet coefficients of the signal can be modeled by generalized Gaussian random variables, we compute a critical thresholding…

统计理论 · 数学 2009-11-23 Céline Lacaux , Aurélie Muller , Radu Ranta , Samy Tindel

We propose a novel deep learning based denoising filter selection algorithm for noisy Electrocardiograph (ECG) signal preprocessing. ECG signals measured under clinical conditions, such as those acquired using skin contact devices in…

信号处理 · 电气工程与系统科学 2022-02-02 Chandresh Pravin , Varun Ojha

Quantum neural networks (QNNs) use parameterized quantum circuits with data-dependent inputs and generate outputs through the evaluation of expectation values. Calculating these expectation values necessitates repeated circuit evaluations,…

量子物理 · 物理学 2024-06-26 David A. Kreplin , Marco Roth

Wavelet transforms are widely used in various fields of science and engineering as a mathematical tool with features that reveal information ignored by the Fourier transform. Unlike the Fourier transform, which is unique, a wavelet…

量子物理 · 物理学 2024-04-23 Mohsen Bagherimehrab , Alan Aspuru-Guzik

Early identification of abnormal physiological patterns is essential for the timely detection of cardiac disease. This work introduces a hybrid quantum-classical convolutional neural network (QCNN) designed to classify S3 and murmur…

机器学习 · 计算机科学 2025-11-05 Yasaman Torabi , Shahram Shirani , James P. Reilly

Quantum error mitigation (QEM) provides a practical route for estimating reliable observables on noisy intermediate-scale quantum (NISQ) devices. Traditional QEM strategies, including zero-noise extrapolation (ZNE) and Clifford data…

量子物理 · 物理学 2026-04-21 Huaxin Wang , Xinge Wu , Jiajun Liu , Ruiqing He , Jiandong Shang , Hengliang Guo , Qiang Chen

Electromyogenic (EMG) noise is a major contamination source in EEG data that can impede accurate analysis of brain-specific neural activity. Recent literature on EMG artifact removal has moved beyond traditional linear algorithms in favor…

机器学习 · 计算机科学 2025-02-28 Benjamin J. Choi

Anomaly detection and localization in industrial images are essential for automated quality inspection. PaDiM, a prominent method, models the distribution of normal image features extracted by pre-trained Convolutional Neural Networks…

计算机视觉与模式识别 · 计算机科学 2025-08-25 Cory Gardner , Byungseok Min , Tae-Hyuk Ahn

This paper proposes the application of Discrete Wavelet Transform (DWT) to detect the QRS (ECG is characterized by a recurrent wave sequence of P, QRS and T-wave) of an electrocardiogram (ECG) signal. Wavelet Transform provides localization…

计算机视觉与模式识别 · 计算机科学 2017-03-02 Rachid Haddadi , Elhassane Abdelmounim , Mustapha El Hanine , Abdelaziz Belaguid

Effective control of neural interfaces is limited by poor signal quality. While neural network-based electroencephalography (EEG) denoising methods for electromyogenic (EMG) artifacts have improved in recent years, current state-of-the-art…

信号处理 · 电气工程与系统科学 2025-09-25 Benjamin J. Choi , Griffin Milsap , Clara A. Scholl , Francesco Tenore , Mattson Ogg

In this paper, we introduce an emerging quantum machine learning (QML) framework to assist classical deep learning methods for biosignal processing applications. Specifically, we propose a hybrid quantum-classical neural network model that…

量子物理 · 物理学 2022-10-04 Toshiaki Koike-Akino , Ye Wang

This paper presents a novel single-channel decomposition approach to facilitate the decomposition of electroencephalography (EEG) signals recorded with limited channels. Our model posits that an EEG signal comprises short, shift-invariant…

信号处理 · 电气工程与系统科学 2024-11-15 Hiroshi Higashi

Quantum Optical Coherence Tomography (Q-OCT) is a non-classical equivalent of Optical Coherence Tomography and is able to provide a twofold axial resolution increase and immunity to resolution-degrading dispersion. The main drawback of…

信号处理 · 电气工程与系统科学 2021-04-22 Sylwia M. Kolenderska , Maciej Szkulmowski